.slider_container{
  width: 800px;
  height: 400px;
  margin: 20px auto;
  background-color: pink;
}
.dot_ul{
  margin-top: -80px;
}
.dot_ul > li{
  margin: 0 20px !important;
}
.custom_page{
  width: 30px;
  height: 30px;
  line-height: 30px;
  color: #000;
  background: #eee;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}

.custom_page_active{
  background: pink;
  color: #fff;
}